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Research Articles (Statistics): Recent submissions
Now showing items 341-360 of 487
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(Elsevier, 2017-07)A meta-analysis (MA) combines similar studies resulting in a larger number of subjects to improve the degree of belief in the significance declared. Its major purpose is to increase the number of observations and the ...
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Creating “transdisciplinary spaces” for a real-world scenario : a practical teaching collaboration (South African Association for Language Teaching, 2017-06)A lack of transfer of academic literacy competencies was identified by academic literacy and Statistics lecturers involved in an extended programme course. This paper reports on one attempt at a workable collaborative ...
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(Future Medicine, 2017-03)AIM : Therapy with low-dose amitriptyline is commonly used to treat painful diabetic peripheral neuropathy. There is a knowledge gap, however, regarding the role of variable CYP2D6-mediated drug metabolism and side effects ...
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(Asqc American Society for Quality Control, 2017-04)The traditional (frequentist) tr -chart is a Shewhart-type chart useful for monitoring times between events (interarrival times) following an exponential distribution. This problem often arises in high-yield processes where ...
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(Health and Medical Publishing Group, 2017-09)BACKGROUND. The number of peripheral blood and endometrial natural killer cells varies greatly during implantation and the first trimester of pregnancy and is thought to play a role in the maintenance of a healthy pregnancy. ...
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(Taylor and Francis, 2018)Estimation in the multivariate context when the number of observations available is less than the number of variables is a classical theoretical problem. In order to ensure estimability, one has to assume certain constraints ...
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(OpenJournals Publishing, 2017-08-31)OBJECTIVE : To describe biological and psychosocial factors associated with body mass index (BMI) for age in adolescents attending an outpatient department at Weskoppies Psychiatric Hospital. METHODS : A total of 50 ...
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(Nature Publishing Group, 2017-08-31)Topical repellents play a key role in reducing the outdoor transmission of mosquito-borne diseases by reducing human-vector contact. Excellent repellents are available, but there is always room for improvement. This ...
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(Taylor and Francis, 2017)Distribution-free (nonparametric) control charts can play an essential role in process monitoring when there is dearth of information about the underlying distribution. In this paper, we study various aspects related to ...
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(Springer, 2017-08)The paper presents a new method for empirical assessment of tsunami recurrence parameters, namely the mean tsunami activity rate λT, the Soloviev–Imamura frequency–magnitude power law bT-value, and the coastline-characteristic, ...
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(National Statistical Institute of Portugal, 2017)In this paper, we consider a general framework for constructing new valid densities regarding a random matrix variate. However, we focus speci cally on the Wishart distribution. The methodology involves coupling the ...
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(Nature Publishing Group, 2017-05-15)Type II diabetes (T2D) is a pandemic characterized by pathological circulating inflammatory markers, high-glucose levels and oxidative stress. The hematological system is especially vulnerable to these aberrant circulating ...
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(Nature Publishing Group, 2017-06-13)Despite the considerable contribution of xylem development (xylogenesis) to plant biomass accumulation, its epigenetic regulation is poorly understood. Furthermore, the relative contributions of histone modifications to ...
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(Nature Publishing Group, 2017-05-22)A Hill-type time-response curve was derived using a single-step chemical kinetics approximation. The rate expression for the transformation is a differential equation that provides an interpolation formula between the ...
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(Elsevier, 2017-09)To quantify the HIV epidemic, the classical population-based prevalence and incidence rates (P rates) are the two most commonly used measures used for policy interventions. However, these P rates ignore the heterogeneity ...
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(Springer, 2017-05)The exponential distribution is a popular model both in practice and in theoretical work. As a result, a multitude of tests based on varied characterisations have been developed for testing the hypothesis that observed ...
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(Routledge, 2017-02)We investigate the types of childhood maltreatment and abu-ser–abused relational ties that best predict a dissociative disorder (DD). Psychiatric inpatients (n = 116; mean age = 35; F: M = 1.28:1) completed measures of ...
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(University of Johannesburg, 2016-12-03)There is a need to dynamically monitor progress of functional auditory performance in young children with autism spectrum disorder (ASD). The Functional Auditory Performance Indicators (FAPI) is a monitoring tool for ...
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(Elsevier, 2016-12)BACKGROUND : The FitTrack Index is a web-based programme developed in South Africa and widely used by athletes to indicate their fitness. A need exists for a self-managed, noninvasive tool to evaluate and categorise ...
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(Health and Medical Publishing Group, 2017-03-10)BACKGROUND : Cyproterone acetate (CPA) is a steroidal anti-androgenic medication used in the field of psychiatry for the treatment of paraphilic disorders, hypersexuality, and inappropriate sexual behaviour which may be ...
Now showing items 341-360 of 487